From 2c5da6b5aa429df5408b8a95cb1100780ae4e3ae Mon Sep 17 00:00:00 2001
From: Kevin Beaulieu <kevinmbeaulieu@gmail.com>
Date: Thu, 12 Jun 2014 16:19:02 -0700
Subject: Adds TopBarNavButton class

TopBarNavButton can be used for browser-style back and forward
buttons in the title bar of a window.

TopBarNavButton currently uses CSS and rounded corners. 5-sided
button will be added later when assets are available.

[endlessm/eos-sdk#1294]
---
 test/smoke-tests/back-forward.js | 124 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 test/smoke-tests/back-forward.js

(limited to 'test')

diff --git a/test/smoke-tests/back-forward.js b/test/smoke-tests/back-forward.js
new file mode 100644
index 0000000..9c4f9b2
--- /dev/null
+++ b/test/smoke-tests/back-forward.js
@@ -0,0 +1,124 @@
+// Copyright 2013 Endless Mobile, Inc.
+
+const Lang = imports.lang;
+const Endless = imports.gi.Endless;
+const Gtk = imports.gi.Gtk;
+const Gdk = imports.gi.Gdk;
+const GObject = imports.gi.GObject;
+
+const TEST_APPLICATION_ID = 'com.endlessm.example.test-back-forward';
+
+const CSS_STYLES = ' \
+    .count { \
+        font-size: 36px; \
+        padding: 10px; \
+        color: black; \
+        background-color: white; \
+        border-radius: 0; \
+        transition: border-radius 500ms, background-color 500ms; \
+    } \
+    .current { \
+        border-radius: 20px; \
+        background-color: purple; \
+    }';
+
+const Page = new Lang.Class({
+    Name: 'Page',
+    Extends: Gtk.Grid,
+    Properties: {
+        'current': GObject.ParamSpec.int('current', '', '',
+            GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+            0, 4, 0)
+    },
+
+    _init: function (props) {
+        this._current = 0;
+        this._frames = null;
+
+        props = props || {};
+        props.orientation = Gtk.Orientation.HORIZONTAL;
+        this.parent(props);
+
+        this._frames = [0, 1, 2, 3, 4].map(function (item, index) {
+            let frame = new Gtk.Frame({
+                margin: 5
+            });
+            let label = new Gtk.Label({
+                label: index.toString()
+            });
+            frame.add(label);
+            frame.get_style_context().add_class('count');
+            this.add(frame);
+            return frame;
+        }, this);
+    },
+
+    get current() {
+        return this._current;
+    },
+
+    set current(value) {
+        if(this._frames)
+            this._frames[this._current].get_style_context().remove_class('current');
+        this._current = value;
+        if(this._frames)
+            this._frames[this._current].get_style_context().add_class('current');
+        this.notify('current');
+    }
+});
+
+const TestApplication = new Lang.Class ({
+    Name: 'TestApplication',
+    Extends: Endless.Application,
+
+    vfunc_startup: function () {
+        this.parent();
+
+        this._win = new Endless.Window({
+            application: this
+        });
+        let page = new Page({
+            halign: Gtk.Align.CENTER,
+            valign: Gtk.Align.CENTER,
+            expand: true,
+        });
+        let nav = new Endless.TopbarNavButton();
+        this._win.page_manager.add(page, {
+            left_topbar_widget: nav
+        });
+
+        let provider = new Gtk.CssProvider();
+        provider.load_from_data(CSS_STYLES);
+        Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(), provider,
+            Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+        nav.back_button.connect('clicked', function () {
+            page.current--;
+        });
+        nav.forward_button.connect('clicked', function () {
+            page.current++;
+        });
+        page.connect('notify::current', function () {
+            nav.back_button.sensitive = true;
+            nav.forward_button.sensitive = true;
+            if (page.current === 0)
+                nav.back_button.sensitive = false;
+            if (page.current === 4)
+                nav.forward_button.sensitive = false;
+        });
+
+        page.current = 0;
+    },
+
+    vfunc_activate: function () {
+        this._win.show_all();
+
+        this.parent();
+    }
+});
+
+let app = new TestApplication({
+    application_id: TEST_APPLICATION_ID,
+    flags: 0
+});
+app.run(ARGV);
-- 
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